From 11585765d139f0559d15512b46e912142a7d79a1 Mon Sep 17 00:00:00 2001
From: Reza Behzadan <rbehzadan@gmail.com>
Date: Thu, 20 Feb 2025 14:40:20 -0500
Subject: [PATCH] Add iptables_init.sh

---
 iptables_init.sh | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 iptables_init.sh

diff --git a/iptables_init.sh b/iptables_init.sh
new file mode 100644
index 0000000..43d17c6
--- /dev/null
+++ b/iptables_init.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Flush existing rules
+iptables -F
+ip6tables -F
+iptables -t nat -F
+ip6tables -t nat -F
+
+# Set default policies
+iptables -P INPUT ACCEPT
+iptables -P FORWARD ACCEPT
+iptables -P OUTPUT ACCEPT
+ip6tables -P INPUT ACCEPT
+ip6tables -P FORWARD ACCEPT
+ip6tables -P OUTPUT ACCEPT
+
+# Apply IPv4 rules
+iptables -t nat -A PREROUTING -i enX0 -p tcp --dport 443 -j REDIRECT --to-ports 4443
+iptables -t nat -A PREROUTING -i enX0 -p tcp --dport 80 -j REDIRECT --to-ports 4443
+
+# Apply IPv6 rules
+ip6tables -t nat -A PREROUTING -i enX0 -p tcp --dport 443 -j REDIRECT --to-ports 4443
+ip6tables -t nat -A PREROUTING -i enX0 -p tcp --dport 80 -j REDIRECT --to-ports 4443
+
+# Save rules
+iptables-save > /etc/iptables/rules.v4
+ip6tables-save > /etc/iptables/rules.v6
+
+echo "iptables and ip6tables rules applied successfully."
+